SOFTWARE MAINTENANCE SYSTEM, CENTER SYSTEM FOR SOFTWARE MAINTENANCE SYSTEM, USER SYSTEM FOR SOFTWARE MAINTENANCE SYSTEM AND RECORD MEDIUM RECORDING PROGRAM

摘要

PROBLEM TO BE SOLVED: To efficiently update a software. ;SOLUTION: When updating is requested from an input device 2, a user maintenance device activating means 11 of a center system 1000 activates the updating operation of a user system 2000 through a communication line 500. An executed software update data selecting means 12 compares the updated software stored in an executed software data update information storage device 6 with a software stored in a first software update data storage device 3 and when a non-updated software exists, software update data are sent from a software update data transmitting means 13. A software updating means 5 updates the software in a software storage device 8.;COPYRIGHT: (C)2000,JPO